What is going on here....

[Ken D'Ambrosio]

Almost certainly your disk is dying.
1) Do a "dmesg" and see what it has to say
2) Try "cat /sbin/ifconfig > /dev/null". If it fails, it means the file could not be read.
3) After seeing if you can back up any data you care about, try a reboot. Entirely possible an fsck may be forced... which *might* help things, if your issue is filesystem inconsistency, and not physical media failure.

Good luck!

-Ken

On September 24, 2017 7:10:34 AM EDT, Jay Ridgley <jridgley2 at austin.rr.com> wrote:
>Good? Morning,
>
>On one of my systems I have started getting the following message in 
>response to various commands:
>
>cdjsys at mateo:~$ ifconfig
>-bash: /sbin/ifconfig: Input/output error
>cdjsys at mateo:~$ vi
>-bash: /usr/bin/vi: Input/output error
>cdjsys at mateo:~$
>
>.bashrc has not changed, other commands still work (ls, tail, etc.).
>
>This is a headless server system and is maintained via ssh. All the 
>current updates have been applied:
>
>Ubuntu 16.04.3 LTS (GNU/Linux 3.2.0-64-generic-pae i686)
>
>Any ideas???
>
>Cheers,
>Jay
>
>-- 
>Jay Ridgley
>jridgley2 at austin.rr.com
>Registered Linux User ID - 9115
>https://linuxcounter.net/cert/9115.png
>Registered Ubuntu User ID - 23320
>
>-- 
>ubuntu-users mailing list
>ubuntu-users at lists.ubuntu.com
>Modify settings or unsubscribe at:
>https://lists.ubuntu.com/mailman/listinfo/ubuntu-users

-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/ubuntu-users/attachments/20170924/f723afc6/attachment.html>